severe
[sə`vɪr]
adj. 嚴重的;嚴厲的、苛刻的
例句

The pain was so severe that I had to see the doctor.

疼痛嚴重到我得去看醫生。

infection
[ɪn`fɛkʃən]
n. 感染;傳染病
例句

I got an infection after cutting my finger.

我割傷手指後感染了。

virus
[`vaɪrəs]
n. 病毒
例句

There is a horrible virus going around at the moment.

目前有一種可怕的病毒正在流傳。

urge
[ɝdʒ]
n. 強烈的欲望、衝動
例句

I have a strong urge to swim in the sea.

我有強烈的衝動想去海裡游泳。

relieve
[rɪ`liv]
v. 減輕、緩和
例句

Taking a deep breath helped relieve his stress after a long day at work.

在漫長工作一天後,深呼吸有助於緩解他的壓力。